Merge branch 'master' of ssh://master.iot-yun.club:2280/imx6ull

guowenxue

2022-12-11 513fc5cf11639653243df722c5606c89286c0d52

 bsp/kernel/build.sh

@@ -1,85 +1,54 @@
#!/bin/bash
# This shell script used auto download bootloader source code and do cross compile

INST_DRIVER=0
source ../scripts/setup_env.sh

PRJ_PATH=`pwd`

IMG_PATH=${PRJ_PATH}/../images/bin
  
BOARD=imx6ull
 
CROSS_TOOL=/opt/buildroot/cortexA7/bin/arm-linux-
KERNEL_SRC=linux-imx

# linux kernel tarball path and branch
TAR_PATH=${PRJ_PATH}/../tarball
BSP_BRANCH=lf-5.10.52-2.1.0

BOOT=emmc

LINUX_SRC=linux-imx

PATCH_FILE=${PRJ_PATH}/patch/${LINUX_SRC}-${BOARD}.patch

CONF_FILE=.cfg-${BOARD}

JOBS=`cat /proc/cpuinfo | grep processor | wc -l`
patch_file=${PRJ_PATH}/patch/linux-imx-${BSP_VER}.patch
arch=arm
defconf=${BOARD}_defconfig
drvpath=${PRJ_PATH}/../images/drivers

set -u
set -e

STAGE=0

function msg_banner()
{ 
   STAGE=`expr $STAGE + 1`
	
    echo ""
    echo "+---------------------------------------------+" 
    printf " Stage $STAGE: $1\n" 
    echo "+---------------------------------------------+"
    echo ""
}

function do_fetch()
{
    msg_banner "Fetch ${LINUX_SRC} source code"
    if [ -d ${LINUX_SRC} ] ; then 
        printf "\n\n -- ${LINUX_SRC} fetched already -- \n\n"
    if [ -d $KERNEL_SRC ] ; then
        pr_warn "$KERNEL_SRC fetched already."
        return 0;
    fi

    printf "\n -- decompress ${LINUX_SRC}-${BSP_BRANCH}.tar.xz now ... -- \n\n"
    tar -xJf ${TAR_PATH}/${LINUX_SRC}-${BSP_BRANCH}.tar.xz
    do_fetch_json $JSON_CONF KERNEL_SRC ${PRJ_PATH}
}

function do_patch()
{
    msg_banner "Patch for ${LINUX_SRC} source code"
    cd ${KERNEL_SRC}

    cd ${LINUX_SRC}

    if [ ! -s $CONF_FILE -a  -s $PATCH_FILE ] ; then
        patch -p1 < $PATCH_FILE
    if [ ! -s arch/arm/configs/$defconf -a  -s $patch_file ] ; then
        pr_warn "Patch for ${KERNEL_SRC} source code"
        patch -p1 < $patch_file
    fi

    printf "\n\nModify cross compiler in Makefile: $CROSS_TOOL\n\n"
    sed -i -e "s|^CROSS_COMPILE=.*|CROSS_COMPILE=${CROSS_TOOL}|g" Makefile
    pr_warn "Modify cross compiler in Makefile: $CROSS_TOOL"
    sed -i -e "s|^CROSS_COMPILE.*|CROSS_COMPILE ?= ${CROSS_TOOL}|g" Makefile

    cd ${PRJ_PATH}
}
  

function do_build()
{
    msg_banner "Build for ${LINUX_SRC} source code"
    pr_warn "Build for ${KERNEL_SRC} source code"

    cd ${LINUX_SRC}
    cd ${KERNEL_SRC}

    if [ ! -f .config ] ; then 
        cp $CONF_FILE .config
    fi

    make $defconf
    make -j ${JOBS}

    make modules_install INSTALL_MOD_PATH=$drvpath INSTALL_MOD_STRIP=1

    cd ${PRJ_PATH}
}
@@ -87,61 +56,98 @@

function do_install()
{
    msg_banner "Install linux kernel image"
    pr_warn "Install linux kernel image"

    cd ${LINUX_SRC}
    cd ${KERNEL_SRC}

    mkdir -p ${IMG_PATH}

    cp arch/arm/boot/Image ${IMG_PATH}
    cp arch/arm/boot/dts/imx6ul-14x14-evk-emmc.dtb ${IMG_PATH}/${BOARD}-${BOOT}.dtb

    if [ $INST_DRIVER != 0 ]  ;then
        make modules_install INSTALL_MOD_PATH=${PRJ_PATH}/../rootfs INSTALL_MOD_STRIP=1
    fi
    do_install_json $JSON_CONF "INSTALL"

    cd ${PRJ_PATH}
}

function do_clean()
{
    msg_banner "Clean ${LINUX_SRC} source code"
    pr_warn "Clean ${KERNEL_SRC} source code"

    cd ${LINUX_SRC}

    cp .config $CONF_FILE
    make distclean
    rm -rf ${KERNEL_SRC}

    cd ${PRJ_PATH}
}

function gen_patch()
{ 
    do_clean
{
    pr_warn "Clean ${KERNEL_SRC} source code"

    mv ${LINUX_SRC} ${LINUX_SRC}-${BOARD} 
    cd ${KERNEL_SRC}
    if [ -f .config ] ; then
        make savedefconfig
        mv defconfig arch/arm/configs/$defconf
    fi
    make distclean
    cd -

    mv ${KERNEL_SRC} ${KERNEL_SRC}-${BSP_VER}

    pr_warn "Fetch orignal source code"
    do_fetch

    msg_banner "Generate ${LINUX_SRC} patch file"
    pr_warn "Generate ${KERNEL_SRC} patch file"

    set +e
    diff -Nuar ${LINUX_SRC} ${LINUX_SRC}-${BOARD} > ${LINUX_SRC}-${BOARD}.patch
    diff -Nuar --no-dereference -x logo_linux_clut224.ppm ${KERNEL_SRC} ${KERNEL_SRC}-${BSP_VER} > $patch_file

    rm -rf ${LINUX_SRC}
    mv ${LINUX_SRC}-${BOARD} ${LINUX_SRC}
    rm -rf ${KERNEL_SRC}
    mv ${KERNEL_SRC}-${BSP_VER} ${KERNEL_SRC}
}

if [[ $# == 1 ]] && [[ $1 == "patch" ]] ; then
    gen_patch
    exit 0;
fi
function do_usage()
{
    echo ""
    echo "Usage:"
    echo "  $0 [-b] [-p] [-c] [-h]"
    echo "     -b: download and build $PRJ_NAME"
    echo "     -p: generate $PRJ_NAME patch file"
    echo "     -c: clean the source code"
    echo "     -h: show this help message"
    echo ""
    exit;
}

while getopts "bpch" OPTNAME
do
    case "${OPTNAME}" in
        "b")
            break;
            ;;

        "p")
            gen_patch
            exit;
            ;;

        "c")
            do_clean
            exit;
            ;;

        "h")
            do_usage
            exit;
            ;;

        "*")
            do_usage
            exit;
            ;;
    esac
done

#default do build action

do_fetch

do_patch

do_build

do_install
  

exit;